| 摘要 |
The device for the alignment research, the alignment and orientation of a first portion of a prosthesis with respect to second portion of said prosthesis comprises at least three elements, two of said elements having spherical contact surfaces and two of said elements having flat contact surfaces, said elements being interposed between said first and second portions of prosthesis and moved one with respect to the other to adjust the respective positioning and orientation of said two portions of prosthesis. |
